(2x-1)^3=-8
=> (2X-1)^3= -2^3
=> 2x-1=-1
=> 2x= 0
=> x=0
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gia tri cua x thoa man: (2x-1)^3=-8 cac ban ui giup mk vs ai lm dug mk like cko
gia tri x<0 thoa man gia tri tuyet doi cua 2x - 1 = 3mu 2 la x=....
1. so x0 thoa man frac{5}{x}frac{x+1}{22}2. GTLN cua x thoa man 5^{left(x-2right)left(x+3right)}3. Gia tri x0 thoa man /x^2+50//-2x^2-1/4. Gia tri nguyen cua x thoa man left(3x-4right)^5^{left(3x-4right)^7}la x5. So gia tri cua x thoa man /x-2014/+/x-2015/06. Gia tri cua x de bieu thuc Afrac{x-3+5}{3-x+2}dat gia tri lon nhat la x
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1. so x>0 thoa man \(\frac{5}{x}=\frac{x+1}{22}\)
2. GTLN cua x thoa man \(5^{\left(x-2\right)\left(x+3\right)}\)
3. Gia tri x<0 thoa man /\(x^2+50\)/=/\(-2x^2\)-1/
4. Gia tri nguyen cua x thoa man \(\left(3x-4\right)^5\)=\(^{\left(3x-4\right)^7}\)la x=
5. So gia tri cua x thoa man /x-2014/+/x-2015/=0
6. Gia tri cua x de bieu thuc A=\(\frac{x-3+5}{3-x+2}\)dat gia tri lon nhat la x=
GIA TRI X THOA MAN
(2X-1)^3=8
Gia tri cua x thoa man 2x+2/3x-6=2x-6/3x-15
c1: Tap hop cac gia tri nguyen cua x thoa man \(\left(x+\frac{5}{4}\right)\left(x-\frac{19}{7}\right)\)<0
c2: Neu x,y la cac so nguyen thoa man 2xy+4y=6 thi y co the nhan nhung gia tri nam trong tap hop nao
c3: tim 3 so x,y,z biet x+y=8,x+z=10,y+z=12
C4: Gia tri cua x thoa man (x+3)^2=25 va x^3>0 la x=
so cac gia tri cua x thoa man |x-5|/|x-3|=|x-1|/|x-3|
gia tri x thoa man (2x-1)\(^3\) =-8 la
so gia tri cua x thoa man I 2x -5I=x2 la
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